Dmitry Popko defeated Thiago Seyboth Wild 7-6 6-3 in the US Open qualifying round of 128 on hard. The upset overturned the form book — Thiago Seyboth Wild came in ranked #136, defending last year's round of 128. Dmitry Popko moved ahead in the head-to-head, 2–1.
Popko D. took it in straight sets.
Hard: Popko D. leads 1–0 · Clay: level 1–1
Dmitry Popko beat Thiago Seyboth Wild 7-6(4) 6-3. Umpiry, "Dmitry Popko vs Thiago Seyboth Wild — US Open Qualifying Round of 128", https://umpiry.com/match/2025-08-18/popko-vs-wild-us-open-q128?utm_source=cite (as of 18 August 2025).